CN213542525U - Dust collector and boiler of boiler - Google Patents
Dust collector and boiler of boiler Download PDFInfo
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- CN213542525U CN213542525U CN202021877556.6U CN202021877556U CN213542525U CN 213542525 U CN213542525 U CN 213542525U CN 202021877556 U CN202021877556 U CN 202021877556U CN 213542525 U CN213542525 U CN 213542525U
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Abstract
The utility model discloses a dust removal device of a boiler and the boiler, wherein the dust removal device comprises a shell, a suction pipeline, a purging pipeline and a spray head; the shell is provided with a slag discharging cavity, a slag inlet and a slag outlet which are communicated with the slag discharging cavity, the slag inlet and the slag outlet are oppositely arranged, and a slag discharging pipe of the boiler is communicated with the slag discharging cavity through the slag inlet; one end of the suction pipeline is communicated with the slag discharge cavity, and the other end of the suction pipeline is communicated with an induced draft system of the boiler; the spray head is positioned in the slag discharging cavity, one end of the purging pipeline is communicated with the spray head, and the other end of the purging pipeline is communicated with an air compressor system of the boiler; in the directional slag inlet's of slag notch direction, the mounted position of the mouth of pipe of suction pipeline is higher than the mounted position of shower nozzle, and the shower nozzle is towards the one side at the mouth of pipe place of suction pipeline. The scheme can solve the problem that the overflow phenomenon easily occurs to the fine-particle ash slag in the slag discharging operation process of the boiler.
Description
Technical Field
The utility model relates to a combustion apparatus technical field especially relates to a dust collector and boiler of boiler.
Background
After the fuel is combusted in the boiler, ash needs to be discharged. The discharged ash slag is cooled and then discharged into a bottom slag warehouse, and the bottom slag warehouse is used for storing the discharged ash slag. The ash in the bottom slag warehouse needs to be transported to a treatment plant through a transport vehicle for subsequent treatment.
However, when the ash in the bottom slag warehouse is loaded on the transport vehicle, the ash with fine particles is easy to overflow, thereby easily polluting the atmospheric environment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a dust collector and boiler of boiler to solve the boiler and take place the problem of excessive phenomenon easily at the finer lime-ash of sediment in-process granule.
In order to solve the above problem, the utility model adopts the following technical scheme:
a dust collector of a boiler is applied to the boiler, and comprises:
the boiler comprises a shell, a boiler body and a boiler body, wherein the shell is provided with a slag discharging cavity, a slag inlet and a slag outlet which are communicated with the slag discharging cavity, the slag inlet is arranged opposite to the slag outlet, and a slag discharging pipe of the boiler is communicated with the slag discharging cavity through the slag inlet;
one end of the suction pipeline is communicated with the slag discharge cavity, and the other end of the suction pipeline is communicated with an induced draft system of the boiler;
the blowing device comprises a blowing pipeline and a spray head, wherein the spray head is positioned in the slag discharging cavity, one end of the blowing pipeline is communicated with the spray head, and the other end of the blowing pipeline is communicated with an air compressor system of the boiler;
and in the direction that the slag outlet points to the slag inlet, the mounting position of the pipe orifice of the suction pipeline is higher than that of the spray head, and the spray head faces to one side where the pipe orifice of the suction pipeline is located.
A boiler comprises the dust removal device.
The utility model discloses a technical scheme can reach following beneficial effect:
in the dust removing device disclosed by the utility model, one end of the suction pipeline is communicated with the slag discharge cavity, and the other end of the suction pipeline is communicated with the induced draft system of the boiler; the shower nozzle is located row sediment intracavity, and the one end of sweeping the pipeline is linked together with the shower nozzle, and the other end of sweeping the pipeline is linked together with the air compressor machine system of boiler. When the lime-ash in the boiler got into row's sediment chamber, the air compressor machine system provides the blowing wind for blowing the pipeline, and blowing wind is spout by the shower nozzle, and the shower nozzle can blow the finer lime-ash of granule in the lime-ash, prevents that the finer lime-ash of granule from spilling over row sediment chamber, and simultaneously, the induced air system of suction pipeline and boiler is linked together, and the induced air system can provide suction for the suction pipeline, and then can be with the finer lime-ash suction of granule. In this scheme, blow the pipeline and blow the finer lime-ash of granule to one side of suction line, the suction line is with the finer lime-ash suction of granule to the content of the finer lime-ash of granule is less in making the lime-ash that discharges out, and then makes the finer lime-ash of granule be difficult to take place the overflow phenomenon at the in-process of arranging the sediment, thereby can reduce the pollution to atmosphere.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of a dust removing device of a boiler disclosed by an embodiment of the invention;
fig. 2 is a plan view of a dust removing device of a boiler according to an embodiment of the present invention.
Description of reference numerals:
100-shell, 101-top plate, 102-first cylinder, 103-second cylinder, 110-slag discharging cavity, 120-slag inlet, 130-slag outlet,
200-a suction pipeline,
310-purge line, 320-spray head,
400-connecting pipe,
500-collecting pipe,
600-slag discharge pipe.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the embodiment of the present invention discloses a dust removing device for a boiler, which is applied to a boiler, and the disclosed dust removing device includes a housing 100, a suction line 200, a purge line 310, and a spray head 320.
The housing 100 is a main component of the dust removing apparatus, which provides a mounting base for other constituent components of the dust removing apparatus. The housing 100 is provided with a slag discharging cavity 110, and a slag inlet 120 and a slag outlet 130 which are communicated with the slag discharging cavity 110, the slag inlet 120 and the slag outlet 130 are arranged oppositely, and a slag discharging pipe 600 of the boiler is communicated with the slag discharging cavity 110 through the slag inlet 120. The ash in the boiler is discharged into the slag discharging cavity 110 through the slag discharging pipe 600 and then discharged from the slag discharging cavity 110.
One end of the suction pipeline 200 is communicated with the slag discharge chamber 110, and the other end of the suction pipeline 200 is communicated with an induced draft system of the boiler. The induced air system is used for extracting the flue gas of the boiler, so the induced air system can provide suction force for the dust removal device, and then can suck out the ash slag with fine particles, and the sucked ash slag with fine particles is discharged from a chimney after being processed. Optionally, the induced draft system comprises a tail flue, a desulfurization and dust removal system, an induced draft fan, a chimney and the like, wherein the induced draft fan sucks fine-particle ash to the tail flue, and the ash is discharged from the chimney after being treated by the desulfurization and dust removal system. The working principle and structure of the induced draft system are common knowledge and are not described herein.
The nozzle 320 is located in the slag discharging cavity 110, one end of the purging pipeline 310 is communicated with the nozzle 320, and the other end of the purging pipeline 310 is communicated with an air compressor system of the boiler. The air compressor system converts mechanical energy into gas pressure energy, thereby driving the gas in the purge line 310, and further providing purge air for the dust removing device. The working principle and structure of the air compressor system are common knowledge and are not described herein.
In the direction in which the slag hole 130 is directed to the slag inlet 120, the nozzle of the suction line 200 is installed at a position higher than that of the spray head 320, while the spray head 320 faces the side of the suction line 200 where the nozzle is located. At this time, the blowing air blown from the nozzle 320 is directed to the upper portion of the casing 100.
In the specific operation process, when ash in the boiler enters the slag discharging cavity 110, the air compressor system provides blowing air for the blowing pipeline 310, the blowing air is sprayed out by the nozzle 320, the nozzle 320 can blow the ash with fine particles in the ash, meanwhile, the suction pipeline 200 is communicated with an induced air system of the boiler, the induced air system can provide suction for the suction pipeline 200, and then the ash with fine particles can be sucked out.
The utility model discloses an in the embodiment, sweep pipeline 310 and blow the finer lime-ash of granule to one side of suction line 200, suction line 200 is with the finer lime-ash suction of granule to the content of the finer lime-ash of granule is less in making the lime-ash that discharges out, and then makes the boiler be difficult to take place the excessive phenomenon of the finer lime-ash of granule at the in-process of arranging the sediment, thereby can reduce the pollution to atmosphere.
In the above embodiment, the ash discharged from the ash discharge pipe 600 easily collides with the pipe wall of the ash discharge pipe 600, so that the pipe wall of the ash discharge pipe 600 is easily damaged, and the ash is easily overflowed, and on the other hand, when the ash with fine particles leaves the ash discharge pipe 600 in the ash discharge process, the ash is easily polluted. In another alternative embodiment, the dust removing apparatus may further include a connection pipe 400, the connection pipe 400 may be disposed at an outer side wall of the housing 100, a first end of the connection pipe 400 may be communicated with the slag discharging chamber 110, and the slag discharging pipe 600 may extend into the connection pipe 400 from a second end of the connection pipe 400. In this scheme, the part of row's sediment pipe 600 is located connecting pipe 400, and after row's sediment pipe 600's pipe wall broke, row's sediment pipe 600's the outside still overlaps and is equipped with connecting pipe 400, and connecting pipe 400 can prevent that the lime-ash is excessive. In addition, the outside cover of scum pipe 600 is equipped with connecting pipe 400, and connecting pipe 400 can block the lime-ash in scum pipe 600 and enter the atmosphere to can reduce the raise dust pollution. Alternatively, the connection pipe 400 and the casing 100 may be connected by welding, and further, the connection pipe 400 and the casing 100 may be welded by a full welding process, so that the sealing performance between the connection pipe 400 and the casing 100 is better.
Further, the second end of the connecting pipe 400 and the sidewall of the slag discharging pipe 600 may be sealingly connected by a sealing member. In this scheme, the sealing member can seal the clearance between connecting pipe 400 and the scum pipe 600 to prevent that the lime-ash from overflowing from the clearance of connecting pipe 400 and scum pipe 600, and then improved dust collector's sealing performance. Alternatively, the sealing member may be made of silicone, rubber, sealing foam, or the like. Connecting pipe 400 and arrange the slag pipe 600 between can be connected through the welded mode, and further, can adopt full-length welding process between connecting pipe 400 and the slag pipe 600 to it is more reliable to make connecting pipe 400 be connected with the slag pipe 600, can also improve the sealing performance of connecting pipe 400 and slag pipe 600 simultaneously.
In order to further improve the dust removing capability of the dust removing device, in another alternative embodiment, the number of the suction pipes 200 may be multiple, and multiple suction pipes 200 may surround the slag inlet 120 and be arranged at intervals. In this scheme, the quantity of suction line 200 is more, and then has increased dust collector's suction force, and then can make more lime-ash get into in the suction tube to dust collector's dust collection ability can further be improved.
In another alternative embodiment, the number of the purge lines 310 may be multiple, the number of the showerhead 320 may be multiple, multiple purge lines 310 and multiple showerheads 320 may be arranged at intervals along the axial direction of the casing 100, and multiple purge lines 310 and multiple showerheads 320 may be arranged in a one-to-one correspondence. In this scheme, the quantity of pipeline 310 that sweeps is more to the amount of wind of the sweep-air in arranging sediment chamber 110 has been increased, and then made the amount of wind of sweep-air great, thereby can further improve the effect of sweeping the lime-ash, make the content of the finer dust of granule in the dust still less, and then improved dust collector's dust removal performance.
In another alternative embodiment, the nozzle head 320 is inclined to extend away from the slag hole 130 in a direction in which the slag hole 130 is directed toward the slag hole 120, and the nozzle hole of the nozzle head 320 is biased toward the edge of the shell 100, that is, the nozzle head 320 gradually extends toward a side close to the shell 100. The plurality of spray heads 320 are symmetrically distributed around the axis center of the slag outlet 130. In the scheme, the plurality of nozzles 320 are obliquely arranged, so that the blowing air sprayed by the plurality of nozzles 320 forms spiral air flow, more fine-particle ash slag can be spirally wound by the spiral air flow, and the dust removal performance of the dust removal device can be further improved. Optionally, the included angle between the axis of the nozzle 320 and the horizontal plane may be between 3 ° and 8 °, and of course, the specific value of the included angle between the axis of the nozzle 320 and the horizontal plane may be selected according to the actual working condition, which is not limited herein.
In another alternative embodiment, the projected contour of the slag inlet 120 may be located within the projected contour of the slag outlet 130 in the axial direction of the slag outlet 130. That is to say, the area of the slag inlet 120 is smaller than the area of the slag outlet 130, at this time, the area of the slag outlet 130 is larger, and then ash slag is not easily accumulated in the slag discharging cavity 110 in the process of discharging slag from the boiler, thereby improving the safety and reliability of the dust removing device.
The present invention discloses a specific structure of the casing 100, which can also adopt other structures, and the present document is not limited. Specifically, the housing 100 may include a top plate 101, a first cylinder 102 and a second cylinder 103, the top plate 101 may cover one end of the first cylinder 102, the slag inlet 120 may be opened in the top plate 101, the second cylinder 103 is connected with one end of the first cylinder 102 departing from the top plate 101, the first cylinder 102 is communicated with the second cylinder 103, the slag outlet 130 may be opened at one end of the second cylinder 103 departing from the first cylinder 102, and the second cylinder 103 is of a tapered structure in a direction in which the slag outlet 130 points to the slag inlet 120. The tapered structure means that the area of the cross section of the second cylinder 103 is gradually reduced in a direction in which the slag outlet 130 is directed to the slag inlet 120. Alternatively, the second cylinder 103 may be a horn-shaped structure. In this scheme, the first cylinder 102 and the second cylinder 103 are cylindrical structural members, and at this time, a large air flow field can be formed in the first cylinder 102 and the second cylinder 103, so that the dust removal performance of the dust removal device is higher. In addition, the inner side walls of the first cylinder 102 and the second cylinder 103 are smooth, so that the wind resistance of the first cylinder 102 and the second cylinder 103 to the blowing wind is small. In addition, the second cylinder 103 is a tapered structure, and the second cylinder 103 can converge the ash blown by the blowing wind, so that the ash can enter the suction pipeline 200 conveniently.
Specifically, the suction line 200 is connected to the top plate 101, and the purge line 310 is connected to the second cylinder 103. At this time, the suction line 200 is located at the top end of the casing 100, and the purge line 310 is located at the top end of the casing 100, so that a larger gas flowing space is provided in the casing 100, and the dust removing effect of the dust removing device is better. Alternatively, the top plate 101, the first cylinder 102 and the second cylinder 103 may be welded, and of course, the top plate 101, the first cylinder 102 and the second cylinder 103 may also be integrally formed, so as to improve the rigidity of the housing 100.
In another alternative embodiment, the suction line 200 is provided with a collecting pipe 500, the collecting pipe 500 is located in the slag discharge chamber 110, the collecting pipe 500 has an inlet end and an outlet end, the outlet end is communicated with the nozzle of the suction line 200, and the collecting pipe 500 is in a tapered structure in the direction that the slag outlet 130 points to the slag inlet 120. The tapered structure means that the area of the cross section of the collecting pipe 500 is gradually reduced in a direction in which the slag hole 130 is directed to the slag inlet 120. Alternatively, collection tube 500 may be said to have a flared configuration. In this solution, the collecting pipe 500 can collect the ash, so as to facilitate the ash to enter the suction line 200.
Based on any of the above-mentioned embodiments of the utility model the dust collector of boiler, the embodiment of the utility model discloses still disclose a boiler, the disclosed boiler has any of the above-mentioned embodiments dust collector.
The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A dust collector of a boiler is applied to the boiler, and is characterized in that the dust collector comprises:
the boiler comprises a shell (100), wherein the shell (100) is provided with a slag discharging cavity (110), and a slag inlet (130) and a slag outlet (120) which are communicated with the slag discharging cavity (110), the slag inlet (130) is arranged opposite to the slag outlet (120), and a slag discharging pipe (600) of the boiler is communicated with the slag discharging cavity (110) through the slag inlet (130);
one end of the suction pipeline (200) is communicated with the slag discharging cavity (110), and the other end of the suction pipeline (200) is communicated with an induced draft system of the boiler;
the blowing device comprises a blowing pipeline (310) and a spray head (320), wherein the spray head (320) is positioned in the slag discharging cavity (110), one end of the blowing pipeline (310) is communicated with the spray head (320), and the other end of the blowing pipeline (310) is communicated with an air compressor system of the boiler;
in the direction that the slag outlet (120) points to the slag inlet (130), the installation position of the nozzle of the suction pipeline (200) is higher than that of the spray head (320), and the spray head (320) faces to the side where the nozzle of the suction pipeline (200) is located.
2. The dust removing device of claim 1, further comprising a connecting pipe (400), wherein the connecting pipe (400) is disposed on an outer side wall of the housing (100), a first end of the connecting pipe (400) is communicated with the slag discharging cavity (110), and the slag discharging pipe (600) extends into the connecting pipe (400) from a second end of the connecting pipe (400).
3. The dust removing apparatus of claim 2, wherein the second end of the connecting pipe (400) is sealingly connected to the sidewall of the slag discharge pipe (600) by a sealing member.
4. The dust removing device according to claim 1, wherein the number of the suction pipes (200) is multiple, and the plurality of suction pipes (200) surround the slag inlet (130) and are arranged at intervals.
5. The dust removing device according to claim 1, wherein the number of the purge line (310) is plural, the number of the spray heads (320) is plural, the plurality of purge lines (310) and the plurality of spray heads (320) are arranged at intervals along the circumference of the housing (100), and the plurality of purge lines (310) and the plurality of spray heads (320) are arranged in one-to-one correspondence.
6. The dust removing device according to claim 5, wherein the nozzle (320) extends obliquely away from the slag outlet (120) in a direction in which the slag outlet (120) is directed to the slag inlet (130), and a nozzle opening of the nozzle (320) is biased toward an edge of the housing (100), and the plurality of nozzles (320) are distributed symmetrically about an axial center of the slag outlet (120).
7. The dust extraction apparatus according to claim 1, wherein the projected contour of the slag inlet (130) is located within the projected contour of the slag outlet (120) in the axial direction of the slag outlet (120).
8. The dust removing device according to claim 1, wherein the housing (100) comprises a top plate (101), a first cylinder (102) and a second cylinder (103), the top plate (101) covers one end of the first cylinder (102), the slag inlet (130) is arranged on the top plate (101), the second cylinder (103) is connected with one end of the first cylinder (102) departing from the top plate (101), the first cylinder (102) is communicated with the second cylinder (103), one end of the second cylinder (103) departing from the first cylinder (102) is provided with the slag outlet (120), and the second cylinder (103) is of a tapered structure in a direction in which the slag outlet (120) points to the slag inlet (130).
9. The dust-removing device according to claim 1, wherein the suction pipe (200) is provided with a collecting pipe (500), the collecting pipe (500) is located in the slag discharge chamber (110), the collecting pipe (500) has an inlet end and an outlet end, the outlet end is communicated with a nozzle of the suction pipe (200), and the collecting pipe (500) is in a tapered structure in a direction that the slag outlet (120) points to the slag inlet (130).
10. A boiler, characterized by comprising a dust removing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021877556.6U CN213542525U (en) | 2020-09-01 | 2020-09-01 | Dust collector and boiler of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021877556.6U CN213542525U (en) | 2020-09-01 | 2020-09-01 | Dust collector and boiler of boiler |
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| Publication Number | Publication Date |
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| CN213542525U true CN213542525U (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021877556.6U Active CN213542525U (en) | 2020-09-01 | 2020-09-01 | Dust collector and boiler of boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383434A (en) * | 2022-01-14 | 2022-04-22 | 连城凯克斯科技有限公司 | Furnace chamber inflation dust removal system |
-
2020
- 2020-09-01 CN CN202021877556.6U patent/CN213542525U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383434A (en) * | 2022-01-14 | 2022-04-22 | 连城凯克斯科技有限公司 | Furnace chamber inflation dust removal system |
| CN114383434B (en) * | 2022-01-14 | 2024-04-26 | 连科半导体有限公司 | Furnace chamber inflating dust removing system |
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